A set of screws with a ring and a half -ring of the tundra krep, 151 subject

Scuroses with a ring are used to organize light rigging devices of non -loading. Installation of self -tapping screws with rings can be made in the base from wood. In concrete, brick and hollow bases, installation is carried out jointly with spacer dowels and dowels for light concrete.

the screw-out-hollow is used to work with small rigging devices. It is used to fix the suspended elements and structures that are periodically removed and returned back.